We are a trade association and a Local Chapter of the Sheet Metal & Air Conditioning Contractors National Association (SMACNA) which is located in Chantilly, Virginia.

SMACNA Contractors are heating, ventilating, air conditioning (HVAC), and sheet metal experts. They are your assurance of quality in the fabrication and installation of ductwork and air handling systems.

SMACNA contractors are also skilled professionals in...
* Architectural sheet metal
* Industrial sheet metal
* Kitchen equipment
* Specialty stainless steel work
* Manufacturing and Custom fabricating
* Repair Services
* Siding and decking
* Flow Testing & balancing
* Energy management & maintenance

Well known and respected within the construction industry, SMACNA contractors provide the highest quality workmanship, professionalism and service to their customers. They care about the life cycle of the project, not just the winning bid.

You'll find SMACNA contractors working in all areas of construction whether industrial, commercial, institutional or residential.

SMACNA contractors developed the technical manuals and standards that today are accepted worldwide in the construction community. As leaders in their industry they continue to adopt and apply the latest technologies to HVAC and sheet metal work. Everything from duct construction and installation to air pollution control, from energy recovery to roofing, from seismic restraint to welding…they do it all!


The ultimate goal of SMACNA - Western Washington, Inc., is to achieve and maintain the following principles and programs for the sheet metal industry:

1. To establish advertising, publicity and promotional activities to advise the public of the nature, extent and availability of services performed by the industry.

2. To promote educational programs to formulate high quality standards of sheet metal construction.

3. To aid in the formulation of uniform sheet metal specifications and improvement of state and municipal  codes.

4. To expose fraudulent or misleading advertising or representations intended to deceive the public.

5. To encourage and promote trade practices that will eliminate unfair competition or exploitation of the sheet metal industry.

6. To encourage and promote the establishment of a uniform pattern of payments by customers during the progress of jobs to avoid inequitable payment delays and economic penalties.

7.  To provide a forum for the discussion of the common interests and problems of labor and industry and to encourage and promote harmonious relations between labor and industry.

8. To encourage any proper activity which will increase the efficiency of the industry and its ability to serve the public.